Mean Absolute Deviation Calculator

Determine Mean Absolute Deviation accurately with our calculator.


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The Mean Absolute Deviation (MAD) Calculator is a helpful tool for calculating the average absolute difference between data points and their mean. MAD is a measure of how spread out the data in a dataset is. It is particularly useful in statistics and data analysis for understanding the variability within a dataset.

How to Calculate Mean Absolute Deviation

The formula for calculating the Mean Absolute Deviation is as follows:

MAD = Σ|xi - x̄| / n


  • MAD: Mean Absolute Deviation
  • Σ: Summation symbol (to calculate the sum of absolute differences)
  • xi: Individual data points
  • x̄: Mean (average) of the data points
  • n: Total number of data points

To use this calculator, follow these steps:

  1. Enter the individual data points, separated by commas or spaces.
  2. Click the "Calculate" button.

The calculator will compute the Mean Absolute Deviation based on the data you provide.

Interpreting the Mean Absolute Deviation

The Mean Absolute Deviation represents the average absolute difference between data points and the mean. A smaller MAD indicates that the data points are closely packed around the mean, suggesting less variability. Conversely, a larger MAD suggests greater variability within the dataset.


The Mean Absolute Deviation is used in various fields, including:

  • Finance: Analyzing financial returns and investment risk.
  • Economics: Assessing economic data and market volatility.
  • Quality Control: Evaluating manufacturing processes and product consistency.
  • Education: Measuring student performance and exam score consistency.

Understanding the Mean Absolute Deviation is essential for making informed decisions and drawing conclusions about data variability.